today's memorial service for the late nelson mandela. in two hours president obama's nominee to lead the internal revenue service testifies on capitol hill. and then the work being done to secure a long-term security agreement in afghanistan before the end of the year. >> this is a train depot in plains, georgia, and in 1976, all the activities on the campaign, tables and desks and phones going off and letters coming in and out of the area, and miss rosa lynn was running the campaign from this building. >> this is where she organized the peanut brigade. it was an offshoot of the hi, neighbor, technique used during his run for governor. basically a way to get the word out about jimmy carter using volunteers going door to door, give ought literature spreading the word. a method so effective it helped him get elected to the presidency. >> watch our program on first lady rosa -- rosalyn carter. >> thousands of south africans who attended today's memorial service for the late nelson mandela were joined by nearly 100 world leaders, including p